A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6110-01-575-3442
NSN 5910-01-121-6271
NSN 5990-01-546-1649
NSN 6130-01-183-3141
NSN 5910-00-052-3527
NSN 5915-01-609-3891
NSN 6685-00-203-4485
NSN 5905-01-454-5346
NSN 7035-01-588-4459
NSN 5975-01-125-1214
NSN 6320-01-078-8257
NSN 6105-01-438-8369